The patch below introduces get_random_int() and randomize_range(), two helpers
used in later patches in the series.  get_random_int() shares the tcp/ip
random number stuff so the CONFIG_INET ifdef needs to move slightly, and to
reduce the damange due to that, secure_ip_id() needs to move inside random.c
From: Frank Sorenson <frank@tuxrocks.com>
Acked-By: Jeff Dike <jdike@addtoit.com>

The stack randomization patches that went into 2.6.11-rc3-mm1 broke
compilation of ARCH=um.  This patch fixes compiling by adding arch_align_stack
back in.
Signed-off-by: Arjan van de Ven <arjan@infradead.org>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
Signed-off-by: Frank Sorenson <frank@tuxrocks.com>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>